Current location - Health Preservation Learning Network - Healthy weight loss - Types and functions of tea
Types and functions of tea
Tea in China is mainly divided into seven categories: green tea, black tea, oolong tea, white tea, black tea, yellow tea and scented tea. There are similarities between the types of tea and the functions of various teas, and they also have their own characteristics.

First, the efficacy of green tea

1, which is helpful to delay aging. Tea polyphenols have strong antioxidant and physiological activity and are free radical scavengers in human body.

2, help to inhibit cardiovascular diseases, green tea contains flavonol, which has antioxidant effect and can also prevent thrombosis and platelet agglomeration, thus reducing cardiovascular diseases.

It helps to prevent and fight cancer. Tea polyphenols can block the synthesis of ammonium nitrite and other substances in the body, which can directly kill cancer cells and improve the immunity of the body.

4. It is helpful to prevent and treat radiation injury.

5, help to inhibit and resist viruses and bacteria, tea polyphenols have a strong astringent effect, have obvious inhibitory and killing effects on pathogenic bacteria and viruses, and have obvious anti-inflammatory and antidiarrheal effects.

6, refreshing, caffeine in tea can stimulate human nerves, enhance the excitability of the cerebral cortex, and play a role in refreshing and benefiting the brain.

Second, the efficacy of black tea

1, refreshing and relieving fatigue. Caffeine in black tea has an exciting effect on the vascular system and the heart by stimulating the neurons in the cerebral cortex, strengthening the heartbeat, promoting sweating and diuresis, and accelerating the excretion of lactic acid and old waste in the body.

2, shengjin Qingre, polyphenols, amino acids, pectin and so on. Black tea reacts chemically with saliva, which stimulates saliva secretion and causes oral wetness.

3. Detoxification: Tea polyphenols in black tea can adsorb heavy metals and alkaloids and precipitate and decompose.

4, anti-oxidation, anti-aging health effects.

5. Relax blood vessels.

6. Anti-cancer.

7. It has the effects of warming stomach, diminishing inflammation and protecting gastric mucosa.

Third, the efficacy of oolong tea

1. Eliminate reactive oxygen species harmful to beauty and health.

2, can improve skin allergies.

3, you can lose weight.

4. Anti-tumor and anti-aging.

Fourth, the efficacy of white tea.

1, can treat diabetes, and tea polyphenols can regulate the disorder of glucose metabolism and reduce blood sugar level.

2. Prevention of cerebrovascular diseases can prevent erythrocyte aggregation and help reduce blood viscosity.

3, can lower blood pressure, aminophylline contained in white tea can dilate blood vessels and make blood flow.

4. It can resist virus and improve immunity.

Fifth, the efficacy of black tea

1, which has a good stomach nourishing effect and can treat constipation.

2, anti-cancer, anti-radiation, anti-aging, beauty.

3. Promote digestion and prevent intestinal absorption of fat.

Sixth, the efficacy of yellow tea.

1 can prevent esophageal cancer.

2, can prevent cancer, cancer, sterilization and so on.

3, can help digestion and solve problems such as loss of appetite.

Seven, the efficacy of scented tea

1 can nourish skin and prevent acne.

2, can diuretic, sweating, and promote metabolism.